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1. (WO1998051139) METHOD FOR REDUCING MOISTURE CONTENT
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1998/051139 International Application No.: PCT/CA1998/000461
Publication Date: 19.11.1998 International Filing Date: 11.05.1998
Chapter 2 Demand Filed: 03.12.1998
IPC:
C02F 3/12 (2006.01) ,C02F 11/12 (2006.01) ,F26B 1/00 (2006.01) ,F26B 5/12 (2006.01) ,F26B 5/14 (2006.01) ,F26B 7/00 (2006.01) ,F26B 17/08 (2006.01) ,F26B 17/18 (2006.01) ,F26B 21/12 (2006.01)
C CHEMISTRY; METALLURGY
02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
3
Biological treatment of water, waste water, or sewage
02
Aerobic processes
12
Activated sludge processes
C CHEMISTRY; METALLURGY
02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
11
Treatment of sludge; Devices therefor
12
by de-watering, drying, or thickening
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26
DRYING
B
DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
1
Preliminary treatment of solid materials or objects to facilitate drying
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26
DRYING
B
DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
5
Drying solid materials or objects by processes not involving the application of heat
12
by suction
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26
DRYING
B
DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
5
Drying solid materials or objects by processes not involving the application of heat
14
by applying pressure, e.g. wringing; by brushing; by wiping
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26
DRYING
B
DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
7
Drying solid materials or objects by processes using a combination of processes not covered by a single one of groups F26B3/ or F26B5/178
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26
DRYING
B
DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
17
Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
02
with movement performed by belts carrying the materials; with movement performed by belts propelling the materials over stationary surfaces
08
the belts being arranged in a sinuous or zig-zag path
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26
DRYING
B
DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
17
Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
18
with movement performed by rotating helical blades or other rotary conveyers moving materials in stationary chambers
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26
DRYING
B
DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
21
Arrangements for supplying or controlling air or gases for drying solid materials or objects
06
Controlling, e.g. regulating, parameters of gas supply
12
Velocity of flow; Quantity of flow
Applicants:
SOLUTIONS MABAREX INC. [CA/CA]; 2021 rue Halpern Saint-Laurent, Québec H4S 1S3, CA (AllExceptUS)
BARRÉ, Louis [CA/CA]; CA (UsOnly)
BILODEAU, Marcel [CA/CA]; CA (UsOnly)
Inventors:
BARRÉ, Louis; CA
BILODEAU, Marcel; CA
Agent:
MITCHELL, Robert ; Swabey Ogilvy Renault Suite 1600 1981 McGill College Avenue Montréal, Québec H3A 2Y3, CA
Priority Data:
2,204,92609.05.1997CA
Title (EN) METHOD FOR REDUCING MOISTURE CONTENT
(FR) PROCEDE DE REDUCTION DE LA TENEUR EN HUMIDITE
Abstract:
(EN) A system and a method for reducing the level of moisture of fluent materials or wet solid materials, characterized in that the material to be treated is provided in a particle form and then exposed to a relatively high volumetric flow of gas treating medium which is drawn through the material so as to force the moisture in the center of each individual piece to migrate towards the periphery thereof where it can be easily evaporated. Air at ambient temperature may be used as gas treating medium so as to minimize the level of energy required to provide an efficient drying operation.
(FR) L'invention concerne un système et un procédé de réduction du niveau d'humidité de matières fluides ou de matières solides humides, caractérisé en ce que la matière à traiter se présente sous la forme de particules et est ensuite exposée à un flux volumétrique relativement élevé de milieu de traitement gazeux, lequel est aspiré à travers la matière de manière à forcer l'humidité se trouvant au centre de chaque pièce individuelle à migrer vers sa périphérie où elle peut s'évaporer facilement. On peut utiliser de l'air à température ambiante en tant que milieu de traitement gazeux afin de réduire au minimum le niveau d'énergie nécessaire à l'obtention d'une opération de séchage efficace.
Designated States: AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, CA, CH, CN, CU, CZ, DE, DK, EE, ES, FI, GB, GE, GH, GM, GW, HU, ID, IL, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MD, MG, MK, MN, MW, MX, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, UA, UG, US, UZ, VN, YU, ZW
African Regional Intellectual Property Organization (ARIPO) (GH, GM, KE, LS, MW, SD, SZ, UG, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP0980340US6471898CA2289444AU1998074202